When they are found today, they are almost always broken or empty, but in Greenwich in 2004, workers found a rare, unopened example, a stoneware bellarmine jar.    From Wordnik.com.  [Opening a Witch Bottle] Reference

One particular transitional bottle, worth noting, dates to the last quarter of the 17th century and is a bellarmine with horseshoe-like impression in place of the usual bearded face.    From Wordnik.com.  [An American Witch Bottle] Reference